Soil Conditioner土壤调理剂

Key points

• Its role is soil amendment, not nutrient supply: performance is assessed by pH adjustment capacity, cation exchange capacity and structural improvement rather than nutrient content.
• Lime and dolomite are used on acid soils, gypsum on sodic soils, and mineral materials to improve water and nutrient retention.
• The limiting factor in the soil must be identified first — applying lime to an already alkaline soil worsens the problem, and the wrong product is worse than none.
• The boundary with organic fertilizer: organic fertilizer mainly replenishes organic matter and nutrients, whereas a soil conditioner mainly alters soil properties.

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